CA2442120A1 - Survival dwdm system - Google Patents

Survival dwdm system Download PDF

Info

Publication number
CA2442120A1
CA2442120A1 CA002442120A CA2442120A CA2442120A1 CA 2442120 A1 CA2442120 A1 CA 2442120A1 CA 002442120 A CA002442120 A CA 002442120A CA 2442120 A CA2442120 A CA 2442120A CA 2442120 A1 CA2442120 A1 CA 2442120A1
Authority
CA
Canada
Prior art keywords
power
site
channels
input
amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002442120A
Other languages
English (en)
French (fr)
Inventor
Giovanni Caprino
Roberto Magri
Andrea Rivolta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson AB
Original Assignee
Marconi Communications Spa
Giovanni Caprino
Roberto Magri
Andrea Rivolta
Ericsson Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marconi Communications Spa, Giovanni Caprino, Roberto Magri, Andrea Rivolta, Ericsson Ab filed Critical Marconi Communications Spa
Publication of CA2442120A1 publication Critical patent/CA2442120A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29Repeaters
    • H04B10/291Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293Signal power control
    • H04B10/294Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/296Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0221Power control, e.g. to keep the total optical power constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Patch Boards (AREA)
  • Traffic Control Systems (AREA)
CA002442120A 2001-03-30 2002-03-26 Survival dwdm system Abandoned CA2442120A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI01A00695 2001-03-30
IT2001MI000695A ITMI20010695A1 (it) 2001-03-30 2001-03-30 Metodo e dispositivo per la sopravvivenza del traffico in sistemi dwdm con add/drop nel caso di interruzione del collegamento a fibre ottich
PCT/IB2002/002032 WO2002080409A1 (en) 2001-03-30 2002-03-26 DWDM SURVIVAL SYSTEM

Publications (1)

Publication Number Publication Date
CA2442120A1 true CA2442120A1 (en) 2002-10-10

Family

ID=11447421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002442120A Abandoned CA2442120A1 (en) 2001-03-30 2002-03-26 Survival dwdm system

Country Status (7)

Country Link
US (1) US20040170433A1 (it)
EP (1) EP1378077A1 (it)
JP (1) JP2004527955A (it)
CN (2) CN1309189C (it)
CA (1) CA2442120A1 (it)
IT (1) ITMI20010695A1 (it)
WO (1) WO2002080409A1 (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20032365A1 (it) * 2003-12-03 2005-06-04 Marconi Comm Ondata Gmbh Reti ottiche.
ITMI20040431A1 (it) * 2004-03-05 2004-06-05 Marconi Comm Spa Dispositivo ottico di amplificazione di connessione-disconnessione
JP4569222B2 (ja) * 2004-08-24 2010-10-27 日本電気株式会社 光分岐挿入装置並びに光分岐挿入方法
JP4557771B2 (ja) * 2005-03-30 2010-10-06 富士通株式会社 光伝送装置
ITMI20050982A1 (it) * 2005-05-26 2006-11-27 Marconi Comm Spa "metodo per il ripristino dopo una interruzione in una rete ad anello amplificata basata sulla libera ricircolazione ase e rete secondo il metodo"
WO2011045981A1 (ja) * 2009-10-16 2011-04-21 日本電気株式会社 光分岐装置、光通信システムおよび光合波方法
EP2670007B1 (en) * 2012-05-30 2015-03-18 ABB S.p.A. Cabinet for an electrical switchboard
US9509113B2 (en) * 2014-06-17 2016-11-29 Fujitsu Limited Transient gain cancellation for optical amplifiers
CN105529623A (zh) * 2014-09-30 2016-04-27 无锡市金力电力成套设备有限公司 户外配电柜的防雨散热底座
CN105529629A (zh) * 2014-09-30 2016-04-27 无锡市金力电力成套设备有限公司 配电箱的支撑安装座
CN105529636A (zh) * 2014-09-30 2016-04-27 无锡市金力电力成套设备有限公司 配电柜的插置连接式散热底座
CN105449539A (zh) * 2014-09-30 2016-03-30 无锡市金力电力成套设备有限公司 配电柜的快装式底座
CN105449540A (zh) * 2014-09-30 2016-03-30 无锡市金力电力成套设备有限公司 插置连接式配电柜底座
CN105449556A (zh) * 2014-09-30 2016-03-30 无锡市金力电力成套设备有限公司 配电箱的易拆装安装座
CN105529622A (zh) * 2014-09-30 2016-04-27 无锡市金力电力成套设备有限公司 户外配电柜的易拆式底座
JP6693901B2 (ja) * 2017-03-17 2020-05-13 Kddi株式会社 光増幅装置、波長多重装置及び光分岐装置
US11569907B2 (en) * 2020-08-26 2023-01-31 Ciena Corporation Per-band fault signaling in a multi-band optical transmission system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440417A (en) * 1993-10-04 1995-08-08 At&T Corp. System for spectrum-sliced fiber amplifier light for multi-channel wavelength-division-multiplexed applications
FR2764141B1 (fr) * 1997-05-29 1999-07-23 Alsthom Cge Alcatel Systeme de transmission optique a compensation dynamique de la puissance transmise
US6043928A (en) * 1997-06-27 2000-03-28 Lucent Technologies Inc. Robust multi-wavelength optical fiber communication systems
US6339495B1 (en) * 1998-01-06 2002-01-15 Corning Incorporated Optical amplifier with power dependent feedback
US20020024706A1 (en) * 1998-11-06 2002-02-28 Fausto Meli Multiple-wavelength amplified telecommunications system with gain compensation
WO2000041346A1 (en) * 1999-01-06 2000-07-13 Corning Incorporated Optical amplifier with power dependent feedback
US7058301B2 (en) * 2002-02-28 2006-06-06 Bosloy Jonathan L Apparatus and method for planned wavelength addition and removal in a wavelength division multiplexed system

Also Published As

Publication number Publication date
CN1460315A (zh) 2003-12-03
CN1255915C (zh) 2006-05-10
CN1309189C (zh) 2007-04-04
CN1500321A (zh) 2004-05-26
US20040170433A1 (en) 2004-09-02
ITMI20010695A1 (it) 2002-09-30
EP1378077A1 (en) 2004-01-07
WO2002080409A1 (en) 2002-10-10
JP2004527955A (ja) 2004-09-09
ITMI20010695A0 (it) 2001-03-30

Similar Documents

Publication Publication Date Title
CA2442120A1 (en) Survival dwdm system
US6215584B1 (en) Input independent tilt free actively gain flattened broadband amplifier
CN112075039B (zh) 带有信道保持器的自动光链路校准
US6025941A (en) Stable wavelength division multiplex ring network
EP1013021B1 (en) Dynamic optical amplifier
JP4981882B2 (ja) 雑音装荷光ファイバ伝送システム
WO1998006191B1 (en) Automatic feedback gain control in a doped fiber amplifier
CA2261873A1 (en) Automatic feedback gain control in a doped fiber amplifier
EP1788730B1 (en) Optical amplification unit with span loss tilt compensation
CA2394237C (en) Per-channel optical amplification using saturation mode
US7142782B2 (en) Noise light elimination method, noise light elimination apparatus and optical transmission system, using stimulated brillouin scattering
JP3551418B2 (ja) 光伝送装置及び波長多重光通信システム
EP1584147B1 (en) Amplified optical ring transmission system
EP1665588B1 (en) Looped optical network with ase light recirculation and link and network survivability control system
JP3551417B2 (ja) 波長多重用光増幅器
JP3551419B2 (ja) 光伝送装置及び波長多重光通信システム
KR20010017271A (ko) 파장 분할 다중 전송망을 위한 이득 고정장치
JP2000059312A (ja) 光波長多重伝送装置
JP2001036478A (ja) 波長多重伝送用光増幅器

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued